137 entries under large topic. ×
| astronomical(adjective, huge, expensive, high-priced) | |
| bulky(adjective, strong, great, big, powerful) | |
| cavernous(adjective, hollow) | |
| grand(adjective, strong, great, big, powerful) | |
| mountainous(adjective, great, big, huge) | |
| sizable(adjective, open, great, big) | |
| comprehensive(adjective, great, thick, huge) | |
| widespread(adjective, open, big, space) | |
| commodious(adjective, open, huge, extensive) | |
| grandiose(adjective, great, big, extravagant) | |
| illimitable(adjective, complete, huge, unrestrained) | |
| extended(adjective, open, big, space) | |
| far-reaching(adjective, spread, big, grand) | |
| never-ending(adjective, absolute, huge, immense) | |
| considerable(adjective, strong, great, big, powerful) | |
| copious(adjective, great, big, huge) | |
| deep(adjective, complete, spread, thick) | |
| far-flung(adjective, big, grand, huge) | |
| impressive | |
| strong(powerful, significant, forceful, considerable) |
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| APA | Smart Define. (2015). vast thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vast/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vast thesaurus" https://smartdefine.org/vast/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, vast thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vast/thesaurus/synonyms>. |
| MLA | Smart Define. "vast thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/vast/thesaurus/synonyms> |